← Angles lesson New set →

Class 5 Maths Worksheet: Angles

Maths worksheets lesson 39: Angles · Set 129 · 40 sums
TalentJR

The method (Know the totals): Acute < 90°, right = 90°, obtuse between 90° and 180°, straight = 180°. On a straight line: the two angles add up to 180°. In a triangle: the three angles add up to 180°. Around a point: 360°. Clock: each hour mark is 30° apart (360° ÷ 12).

NameDateTime takenScore ___ / 40
  1. 1.What is the smaller angle between the hands of a clock at 2 o'clock (in degrees)?
  2. 2.Three angles meet at a point. Two of them are 100° and 60°. What is the third angle (in degrees)?
  3. 3.Two angles of a triangle are 65° and 55°. What is the third angle (in degrees)?
  4. 4.What is the smaller angle between the hands of a clock at 6 o'clock (in degrees)?
  5. 5.Two angles together make a straight line. One of them is 70°. What is the other angle (in degrees)?
  6. 6.Two angles of a triangle are 55° and 65°. What is the third angle (in degrees)?
  7. 7.An angle measures 90°. What kind of angle is it? (a) Acute (b) Right (c) Straight
  8. 8.A right angle is split into two angles. One of them is 30°. What is the other angle (in degrees)?
  9. 9.An angle measures 20°. What kind of angle is it? (a) Straight (b) Obtuse (c) Acute
  10. 10.Two angles of a triangle are 65° and 25°. What is the third angle (in degrees)?
  11. 11.An angle measures 180°. What kind of angle is it? (a) Straight (b) Obtuse (c) Right
  12. 12.Two angles together make a straight line. One of them is 55°. What is the other angle (in degrees)?
  13. 13.Two angles together make a straight line. One of them is 100°. What is the other angle (in degrees)?
  14. 14.Two angles together make a straight line. One of them is 30°. What is the other angle (in degrees)?
  15. 15.Two angles together make a straight line. One of them is 165°. What is the other angle (in degrees)?
  16. 16.Three angles meet at a point. Two of them are 50° and 170°. What is the third angle (in degrees)?
  17. 17.Two angles of a triangle are 90° and 50°. What is the third angle (in degrees)?
  18. 18.An angle measures 140°. What kind of angle is it? (a) Obtuse (b) Straight (c) Acute
  19. 19.An angle measures 85°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  20. 20.Two angles together make a straight line. One of them is 105°. What is the other angle (in degrees)?
  21. 21.A right angle is split into two angles. One of them is 75°. What is the other angle (in degrees)?
  22. 22.A right angle is split into two angles. One of them is 50°. What is the other angle (in degrees)?
  23. 23.What is the smaller angle between the hands of a clock at 1 o'clock (in degrees)?
  24. 24.A right angle is split into two angles. One of them is 5°. What is the other angle (in degrees)?
  25. 25.Two angles of a triangle are 60° and 90°. What is the third angle (in degrees)?
  26. 26.Three angles meet at a point. Two of them are 90° and 160°. What is the third angle (in degrees)?
  27. 27.Two angles of a triangle are 45° and 50°. What is the third angle (in degrees)?
  28. 28.Three angles meet at a point. Two of them are 70° and 190°. What is the third angle (in degrees)?
  29. 29.An angle measures 55°. What kind of angle is it? (a) Obtuse (b) Acute (c) Straight
  30. 30.An angle measures 130°. What kind of angle is it? (a) Acute (b) Right (c) Obtuse
  31. 31.Three angles meet at a point. Two of them are 50° and 220°. What is the third angle (in degrees)?
  32. 32.What is the smaller angle between the hands of a clock at 7 o'clock (in degrees)?
  33. 33.Two angles together make a straight line. One of them is 160°. What is the other angle (in degrees)?
  34. 34.Two angles of a triangle are 85° and 55°. What is the third angle (in degrees)?
  35. 35.What is the smaller angle between the hands of a clock at 3 o'clock (in degrees)?
  36. 36.What is the smaller angle between the hands of a clock at 4 o'clock (in degrees)?
  37. 37.An angle measures 70°. What kind of angle is it? (a) Straight (b) Acute (c) Right
  38. 38.Two angles of a triangle are 80° and 30°. What is the third angle (in degrees)?
  39. 39.What is the smaller angle between the hands of a clock at 10 o'clock (in degrees)?
  40. 40.Two angles together make a straight line. One of them is 95°. What is the other angle (in degrees)?

Answer key

  1. 60
  2. 200
  3. 60
  4. 180
  5. 110
  6. 60
  7. Right
  8. 60
  9. Acute
  10. 90
  11. Straight
  12. 125
  13. 80
  14. 150
  15. 15
  16. 140
  17. 40
  18. Obtuse
  19. Acute
  20. 75
  21. 15
  22. 40
  23. 30
  24. 85
  25. 30
  26. 110
  27. 85
  28. 100
  29. Acute
  30. Obtuse
  31. 90
  32. 150
  33. 20
  34. 40
  35. 90
  36. 120
  37. Acute
  38. 70
  39. 60
  40. 85

Free maths worksheets lessons, practice and worksheets at talentjr.in/maths-worksheets